Common Hippo (Hippopotamus amphibius), Luangwa river, South Luangwa national Park, Zambia

hippopotamus amphibius hippopotamus hippopotamus amphibius natural area adult alone head mouth tooth open intimidate close up portrait reflection yawn zambia hippopotamus three quarter shot vulnerable national park september south luangwa national park water surface water nobody hippopotamuses hippopotamus amphibius nature natural areas ecosystem ecosystems adults single lonely only solo one lone heads mouths teeth hook zoology hooks zoology opened openings opening intimandant intimidated intimidating intimidation intimidations portraits reflections mirror image reflected reflecting yawns yawning yawnings three quarter views three quarter view three quarter shots three quarter sight three quarter sights three quarter length vulnerable species national parks sensitive natural areas water surfaces watersurface watersurfaces h2o with nobody hippopotamus hippopotamidae sp even toed ungulate ungulate mammal therapsid synapsid vertebrate chordate wild animal animal naturalness area stage of development individual enumeration general morphology morphology organism morphology zoology behavior shot light effect motion southern africa africa hippopotamidae artiodactyla mammalia cynodontia therapsida eupelycosauria synapsida tetrapoda tetrapodomorpha rhipidistia sarcopterygii euteleostomi gnathostomata vertebrata chordata deuterostomia coelomata bilateria metazoa opisthokonta eukaryota threatened endangered species species environment protection environment management biodiversity management environment convention on international trade in endangered species of wild water matter matter substance chemical compound